Morris County to treat river floodplains for mosquitos

5:39 PM,
May 6, 2014

Rockaway River

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The Morris County Division of Mosquito Control will try to kill millions of larval mosquitos - just-hatched juveniles - today with a helicopter that will drop the granular insecticide Bti over floodplains of the Passaic, Whippany and Rockaway rivers.

Division Director Kris McMorland said Monday that the office wants residents to be aware of the mosquito control efforts in case they see the low-flying helicopter that expects to start spreading the insecticide, a soil bacteria, around 7 a.m. Tuesday.

The chopper is expected to cover some 1,600 acres around floodplains in Parsippany, ...